Merge remote-tracking branch 'origin/stable-3.0.5'

Conflicts:
	interface/lib/plugins/sites_web_vhost_subdomain_plugin.inc.php
	interface/web/mail/lib/lang/de_mail_get.lng
	interface/web/sites/lib/lang/de_cron.lng
	interface/web/sites/lib/lang/en_cron.lng
	interface/web/sites/web_vhost_subdomain_edit.php